Building Blocks & Properties of Matter
Phase Changes
Mixtures & Solutions
Changes in Matter
Review from Other Units
100
Smallest particle of an element that still has the properties of that element
What is an atom
100
Molecules in a solid are said to be __________________ in place while neatly arranged.
What is vibrating or moving.
100
Give an example of a solution.
What is soda, lemonade, saltwater
100
List 3 pieces of evidence when a chemical change occurs.
What is color change, gas given off, bubbles/foam, solid (crystals) formed, odor, heal or light given off.
100
A glacier is an example of water in a __________ state.
What is solid
200
H20, FeO2, or CO2 are examples of...
What are molecules
200
_________________ ice will get it from a solid to a liquid.
What is melting.
200
Ingredients maintain their chemical ________________ in a mixture. In other words, they do not change color or turn into a new material.
What is properties.
200
Fe + O2 = FeO2. This chemical reaction means _______________ has formed.
What is rust.
200
The Moon takes _____ days to orbit Earth
What is 28.
300
An object that can float on water is said to have this property
What is buoyancy.
300
100 degrees Celsius.
What is the boiling point of water
300
In a salt water solution, salt ______________ into water.
What is dissolves.
300
An object's size, shape, & phase has just changed. This could be a ________________ change.
What is physical.
300
Granite is a great example of a ______________ because the quartz, obsidian, feldspar, etc. all retain their own properties.
What is mixture.
400
The measure of the pull of gravity on an object. Yours is 1/6 on the Moon.
What is weight.
400
When water vapor cools to turn from gas to liquid form.
What is condensation.
400
Water is known as a universal ____________, in which many solutes can be dissolved.
What is solvent.
400
Jim was carrying an object weighing 75 lbs. The object gets shattered into pieces. Jim collects all the pieces but one, and weighs then to find he's got 68 lbs. When he finds the last piece to the object to weigh it, it should weigh __________ lbs., according to the Law of Conservation of Matter.
What is 7 lbs.
400
Oil, natural gas, & coal are examples of this specific type of nonrenewable resources.
What are fossil fuels.
500
All matter on Earth is arranged as elements in solid, liquid, gas, & man=made form in this chart.
What is the Periodic Table of Elements.
500
The Law of _______________________________ says that during any phase change, matter is neither gained nor destroyed.
What is the Law of Conservation of Matter.
500
How do you think recycling centers most easily separate metal cans from plastic bottles & paper?
What is by using a magnet to attract the metal (aluminum/tin/etc.) cans.
500
When CaCl & baking soda are combined in water, a chemical reaction takes place. When the temperature rises, heat is __________________.
What is given off / lost.
500
Name the first planet in order from the Sun that has a Moon.
What is Earth.
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